/*
   Copyright 2009 Abdulla Abdurakhmanov (abdulla@latestbit.com)
   Original sources are available at www.latestbit.com

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

package org.latestbit.smartobjects.encrypters;

import java.security.GeneralSecurityException;

/**
 * Encrypter factory provides factory methods able to 
 * create symmetric or asymmetric encrypting algorithms.
 * @author abdulla-a
 *
 */
public interface IDataEncrypterFactory {
	/**
	 * Create new instance of symmetric encrypter
	 * @return symmetric implementation
	 * @throws GeneralSecurityException
	 */
	public ISymmetricDataEncrypter createSymmetricEncrypter( ) throws GeneralSecurityException;

	/**
	 * Create new instance of asymmetric encrypter
	 * @return asymmetric implementation
	 * @throws GeneralSecurityException
	 */	
	public IAsymmetricDataEncrypter createAsymmetricEncrypter( ) throws GeneralSecurityException;

	/**
	 * Set symmetric encryption algorithm name  
	 * @param algorithm algorithm name
	 */
	public void setSymmetricEncrypterAlgorithm(String algorithm);
	
	/**
	 * Get symmetric encryption algorithm name
	 * @return algorithm name
	 */
	public String getSymmetricEncrypterAlgorithm();

	/**
	 * Set asymmetric encryption algorithm name  
	 * @param algorithm algorithm name
	 */	
	public void setAsymmetricEncrypterAlgorithm(String algorithm);
	
	/**
	 * Get asymmetric encryption algorithm name
	 * @return algorithm name
	 */	
	public String getAsymmetricEncrypterAlgorithm();
	
}
